Structure of PDB 4ihy Chain B Binding Site BS01

Receptor Information
>4ihy Chain B (length=98) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MFEQRVNSDVLTVSTVNSQDQVTQKPLRDSVKQALKNYFAQLNGQDVNDL
YELVLAEVEQPLLDMVMQYTRGNQTRAALMMGINRGTLRKKLKKYGMN
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4ihy Control of DNA minor groove width and Fis protein binding by the purine 2-amino group.
Resolution2.9 Å
Binding residue
(original residue number in PDB)		Q74 T75 R85 R89
Binding residue
(residue number reindexed from 1)		Q74 T75 R85 R89
Binding affinityPDBbind-CN: Kd=1.7nM
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Sun Nov 24 16:07:26 2024

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /var/www/html/BioLiP/pdb.cgi in <module>()
   1435     title=pdb2title(pdbid)
   1436     if bs.startswith("BS"):
=> 1437         pubmed,uniprot=display_interaction(pdbid,asym_id,bs,title)
   1438     else:
   1439         if lig3:
pubmed = '', uniprot = '', display_interaction = <function display_interaction>, pdbid = '4ihy', asym_id = 'B', bs = 'BS01', title = 'Control of DNA minor groove width and Fis protein binding by the purine 2-amino group.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='4ihy', asym_id='B', bs='BS01', title='Control of DNA minor groove width and Fis protein binding by the purine 2-amino group.')
   1295         display_ec(ec,csaOrig,csaRenu)
   1296     if go:
=> 1297         display_go(go,uniprot,pdbid,asym_id)
   1298     return pubmed,uniprot
   1299 
global display_go = <function display_go>, go = '0003677,0006355,0043565', uniprot = '', pdbid = '4ihy', asym_id = 'B'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003677,0006355,0043565', uniprot='', pdbid='4ihy', asym_id='B')
    480         '''.replace("$namespace_link",namespace_link
    481           ).replace("$namespace",namespace
=>  482           ).replace("$uniprot",u
    483         ))
    484         for l,(term,name) in enumerate(go2aspect[Aspect]):
u undefined

UnboundLocalError: local variable 'u' referenced before assignment
      args = ("local variable 'u' referenced before assignment",)
      with_traceback = <built-in method with_traceback of UnboundLocalError object>